Sebastopol, CA 95462 Frost Dates
Frost dates for Sebastopol, CA, ZIP 95462
The last spring frost here typically falls around 01/29, about 154 days from today. The first fall frost typically arrives around 12/30, about 347 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sebastopol in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 9b around Sebastopol has about 18 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Sebastopol's last frost
01/29 is the middle of 30 years of NOAA records, not a promise. Plant by 03/17 and you're betting against frost in roughly 9 years out of 10. 12/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sebastopol compares
About 347 days separate Sebastopol's last and first frost, putting it 2,410 of 40,283 ZIP codes nationally. Within CA, it ranks 1,097 of 2,555.
Learn more
local microclimates explains what one yard in Sebastopol can differ from the 95462 normal, and zone vs. frost date explains why Zone 9b and Sebastopol's frost date answer different questions.